feat: Add CalendarSelector component and install new dependencies.

node_modules/rxjs/dist/esm5/internal/operators/throttleTime.js

@@ -0,0 +1,9 @@
+import { asyncScheduler } from '../scheduler/async';
+import { throttle } from './throttle';
+import { timer } from '../observable/timer';
+export function throttleTime(duration, scheduler, config) {
+    if (scheduler === void 0) { scheduler = asyncScheduler; }
+    var duration$ = timer(duration, scheduler);
+    return throttle(function () { return duration$; }, config);
+}
+//# sourceMappingURL=throttleTime.js.map